120 research outputs found

    endemic to semi-dry forests in La Réunion

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    Unexpected populations of Hymenophyllaceae ferns were observed and collected at low to middle elevations as epilithic in wet ravines within the semi-dry forest in La Réunion Island. These populations would represent lowland ecotypes of the montane Crepidomanes inopinatum, which is usually restricted to humid rainforests at higher elevations. Because of this unexpected habitat and the dwarfed size of the specimens by comparison to typical populations, we thus describe a new variety for the island. Résumé Des populations inattendues de fougères Hymenophyllaceae ont été observées et collectées à basses et moyennes altitudes en épilithes dans des ravines humides au sein de la forêt semi-sèche à la Réunion. Ces populations représenteraient des écotypes de basses altitudes de l’espèce de montagne Crepidomanes inopinatum normalement restreinte aux forêts humides d’altitude. Compte-tenu de cet habitat inattendu et de la taille naine des individus comparativement à celle des populations types, nous proposons donc de décrire une nouvelle variété pour l’île. Filmy ferns (Hymenophyllaceae) are typical hygrophilous ferns that can only grow in the wettest places. The one-cell thick lamina and the absence of cuticle do not allow these plants to endure a long period of drought, even if many species are poikilohydric but only for a relative short period (see Dubuisson et al. 2013a). In the western Indian Ocea

    Le juge administratif dans l'analyse juridique des politiques publiques

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    Aquesta ponència forma part del Workshop internacional de doctorands organitzat pel Programa de Doctorat en Dret de la UAB i la Facultat de Dret de la UAB, amb el suport de l'École Européenne de Droit de l'Université Toulouse Capitol

    Rapid Species Diagnosis for Invasive Candidiasis Using Mass Spectrometry

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    BACKGROUND: Matrix-assisted laser desorption ionisation time of flight mass spectrometry (MALDI TOF-MS) allows the identification of most bacteria and an increasing number of fungi. The potential for the highest clinical benefit of such methods would be in severe acute infections that require prompt treatment adapted to the infecting species. Our objective was to determine whether yeasts could be identified directly from a positive blood culture, avoiding the 1-3 days subculture step currently required before any therapeutic adjustments can be made. METHODOLOGY/PRINCIPAL FINDINGS: Using human blood spiked with Candida albicans to simulate blood cultures, we optimized protocols to obtain MALDI TOF-MS fingerprints where signals from blood proteins are reduced. Simulated cultures elaborated using a set of 12 strains belonging to 6 different species were then tested. Quantifiable spectral differences in the 5000-7400 Da mass range allowed to discriminate between these species and to build a reference database. The validation of the method and the statistical approach to spectral analysis were conducted using individual simulated blood cultures of 36 additional strains (six for each species). Correct identification of the species of these strains was obtained. CONCLUSIONS/SIGNIFICANCE: Direct MALDI TOF-MS analysis of aliquots from positive blood cultures allowed rapid and accurate identification of the main Candida species, thus obviating the need for sub-culturing on specific media. Subsequent to this proof-of-principle demonstration, the method can be extended to other clinically relevant yeast species, and applied to an adequate number of clinical samples in order to establish its potential to improve antimicrobial management of patients with fungemia

    Le genre Hymenophyllum Sm. (Hymenophyllaceae, Filicopsida) (systématique phylogénétique, évolution morphologique et histoire biogéographique)

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    PARIS-BIUSJ-Thèses (751052125) / SudocPARIS-BIUSJ-Physique recherche (751052113) / SudocSudocFranceF

    Acute neonatal collapse resulting from pericardial effusion [1]

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    SCOPUS: le.jinfo:eu-repo/semantics/publishe

    Le Service de Soins Neónatals Intensifs et Non Intensifs.

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    To be born very prematurely in 2002 is very different of to be born very prematurely in 1978: the progress of the fetal and perinatal care have, amongst others, decrease the mortality of the neonates with a birthweight below < 1,000 g from 61% to 12%. The technological progresses in artificial ventilation have led to a significant decrease in chronic lung disease down to 5% or less, and of cerebral complications (intraventricular hemorrhages, grade 3 and 4 and/or periventricular leucomalacia) down to 11% or less. The progress in surgery and anesthesiology have allowed us to operate the extremely low birthweight infants in the neonatal unit when needed. This has been possible thanks to a multidisciplinary team approach: many specialists working together from conception to birth and from birth to home try to offer the best to these sometimes very small human beings.info:eu-repo/semantics/publishe

    Week van Borstvoeding :Stand van zaken in de Franse gemeenschap

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    info:eu-repo/semantics/publishe
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